package com.ciwong.epaper.modules.reciteWords.util.download;

public abstract class DownloadCallBack {
    /**
     * 开始下载
     */
    protected abstract void downloadAlready();

    /**
     * 开始下载
     */
    protected abstract void downloadStart();

    /**
     * 下载失败
     *
     * @param data
     */
    protected abstract void downloadFail(Object data);

    protected abstract void downloadException(Object data);
}
